Push button for switch



FIG. 1 is a front, top, and right side perspective view of a push button for switch showing my new design;

FIG. 2 is a front view thereof, a rear view being a mirror image thereof;

FIG. 3 is a left side view thereof, a right side view being a mirror image thereof;

FIG. 4 is a top view thereof; and,

FIG. 5 is a bottom view thereof.

The dashed broken lines in the figures show portions of the push button for switch that form no part of the claimed design. 

CLAIM The ornamental design for a push button for switch, as shown and described. 